.demo1 {
	width: 200px;
	height: 200px;
	margin-top: 200px;
}

*::before,
*::after {
	box-sizing: border-box;
}

p {
	margin: 0 0 3px;
	line-height: 1;
	letter-spacing: 1px;
	pointer-events: none;
}

.calendar {
	position: relative;
	width: 152px;
	cursor: default;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

.calendar::before,
.calendar::after {
	content: '';
	position: absolute;
	top: -28px;
	left: 40px;
	width: 10px;
	height: 10px;
	border-radius: 5px;
	background: #ddd;
	z-index: 3;
}

.calendar::after {
	left: initial;
	right: 40px;
}

.pages {
	position: relative;
	text-align: center;
	background: #ff0000;
	box-shadow: 0 10px 0 0px #a5a4a4;
}

.pages::before {
	content: '';
	position: absolute;
	width: 280px;
	margin-left: -60px;
	height: 45px;
	background: indianred;
	bottom: 100%;
	left: 0;
	z-index: 2;
}

.page {
	position: relative;
	padding: 20px 30px 15px;
	background: #eee;
	width: 220px;
	height: 225px;
	margin-left: -60px;
}

.page::before {
	content: '';
	position: absolute;
	bottom: 99%;
	left: 0;
	display: block;
	background: linear-gradient(-45deg, #eee 10px, #eee 10px, #eee 10px, transparent 0), linear-gradient(45deg, #eee 10px, transparent 0);
	background-position: left top;
	background-repeat: repeat-x;
	background-size: 10px 18px;
	height: 10px;
	width: 100%;
}

.month,
.day-name {
	text-transform: uppercase;
	font-weight: 600;
}

.day {
	font-size: 90px;
	font-weight: 700;
	margin: 0 0 15px;
}

.year {
	font-size: 32px;
}

.tear {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	-webkit-transform-origin: top left;
	transform-origin: top left;
	box-shadow: 0 0 10px -1px rgba(0, 0, 0, 0.5);
	pointer-events: none;
	-webkit-animation: tear-animation 0.8s linear forwards;
	animation: tear-animation 0.8s linear forwards;
}

@-webkit-keyframes tear-animation {
	0% {
		-webkit-transform: rotate(0deg);
		transform: rotate(0deg);
		top: 0;
		opacity: 1;
	}

	20% {
		-webkit-transform: rotate(9deg);
		transform: rotate(9deg);
		top: 0;
		opacity: 1;
	}

	70% {
		opacity: 1;
	}

	100% {
		top: 200px;
		opacity: 0;
	}
}

@keyframes tear-animation {
	0% {
		-webkit-transform: rotate(0deg);
		transform: rotate(0deg);
		top: 0;
		opacity: 1;
	}

	20% {
		-webkit-transform: rotate(9deg);
		transform: rotate(9deg);
		top: 0;
		opacity: 1;
	}

	70% {
		opacity: 1;
	}

	100% {
		top: 200px;
		opacity: 0;
	}
}

